| The paper comprehensively discusses the developing conditions of some subjects related to this project, including GIS, digital map and Data Mining as well which are advanced in science. It analyses technology of GIS, and deliberates the characteristics of three dimension GIS, data model, different data model integrated as well as. Based on the discussion, the classical shortest route algorithm is fully studied , and improved algorithm which has better effect is presented. The realization of two dimension digital map, integrated network and the riding algorithm on the basis of the shortest route using Windows 98, Delphi, Maplnfo and so on are introduced in. detail. It puts forward the intrinsic relation between factors through high step association analysis after elaborating on property related analysis emphatically and discussing design and realization of visual software. After introducing some situations on the accomplishment about the system, some questions will faced and the development of it are discussed briefly as well. |
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